Featured Video: Why Hydrogen Tells Us the Story of the Universe

Hydrogen is the most abundant element in the universe. Radio astronomers can see hydrogen by the light it emits, reflects, and even absorbs. Because hydrogen is everywhere, it can tell stories about the cosmos from the Big Bang to today.

Join our host Summer Ash of the National Radio Astronomy Observatory as she talks about how hydrogen can tell us so much about the structure and evolution of the universe.

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